Xyris smalliana

Nash

Bulletin of the Torrey Botanical Club 22:159. 1895.

Synonyms: Xyris caroliniana var. olneyi A. W. Wood Xyris congdonii Small Xyris smalliana var. congdonii (Small) Malme Xyris smalliana var. olneyi (A. W. Wood) Gleason ex Malme
Treatment appears in FNA Volume 22.

Herbs, perennial, cespitose, 50–150 cm. Stems compact. Leaves ascending in narrow fans, (19–) 30–50 (–60) cm; sheaths pinkish or pale-red, soft, smooth; blade pale green proximally, distally deep lustrous green, linear, flattened, plane, 5–15 mm wide, margins smooth. Inflorescences: scape sheaths exceeded by leaves; scapes linear, straight, distally slightly compressed, 1–2 mm wide, smooth, 2-ribbed; spikes ovoid to ellipsoid or cylindric, 10–20 (–25) mm, apex usually blunt; fertile bracts 5–8 mm, margins entire, apex rounded. Flowers: lateral sepals slightly to conspicuously exserted, slightly curved, 6–8 mm, keel scarious, apex not red, broad, thin, lacerate; petals unfolding in afternoon, blade obovate, 5–6 mm; staminodes bearded. Seeds translucent, narrowly ellipsoid to ovoid, (0.6–) 0.7 (–0.8 mm), irregularly ridged and crossridged. 2n = 18.


Phenology: Flowering summer–fall.
Habitat: Sandy or peaty shallows and shores of ponds and sluggish acidic streams
Elevation: 0–100 m

Distribution

V22 27-distribution-map.jpg

Ala., Conn., Del., Fla., Ga., La., Maine, Md., Mass., Miss., N.H., N.J., N.Y., N.C., R.I., S.C., Tex., West Indies (Cuba), Mexico (Tabasco), West Indies (Cuba), Central America (Belize), Central America (Honduras), Central America (Nicaragua)

Discussion

Although no specimens were seen for Virginia, Xyris smalliana is to be expected there.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Xyris smalliana"
lacerate +, rounded +  and blunt +
thin +  and broad +
Robert Kral +
open +  and sheathing +
green +  and pale green +
ephemeral +
obovate +, plane +  and flattened +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.6 cm6 mm <br />0.006 m <br /> (?) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Ala. +, Conn. +, Del. +, Fla. +, Ga. +, La. +, Maine +, Md. +, Mass. +, Miss. +, N.H. +, N.J. +, N.Y. +, N.C. +, R.I. +, S.C. +, Tex. +, West Indies (Cuba) +, Mexico (Tabasco) +, Central America (Belize) +, Central America (Honduras) +  and Central America (Nicaragua) +
0–100 m +
basal-lateral +
proteinaceous +  and starchy +
loculicidal +
Sandy or peaty shallows and shores of ponds and sluggish acidic streams +
moniliform +
margined +  and winged +
scarious +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
equitant +, 2-ranked +  and alternate +
50 cm500 mm <br />0.5 m <br /> (60 cm600 mm <br />0.6 m <br />) +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
smooth +  and variously papillate or scabrous +
distinct +
unfolding +
Flowering summer–fall. +
monosulcate +
Bulletin of the Torrey Botanical Club +
not bracteate +
straight +
compressed +
bladed +  and open +
1mm;2mm +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
cross-lined +
crossridged +
ridged +, narrowly ellipsoid +  and ovoid +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
connivent +  and opposite +
distinct +
unequal +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
decussate +  and imbricate +
ovoid;ellipsoid or cylindric +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
epipetalous +
branching +  and simple +
elongate +  and caudiciform +
funnel +  and u--shaped +
tubular +  and elongate +
Xyris caroliniana var. olneyi +, Xyris congdonii +, Xyris smalliana var. congdonii +  and Xyris smalliana var. olneyi +
Xyris smalliana +
species +
herb +  and cespitose +